121013201125 has 16 divisors (see below), whose sum is σ = 152844060096. Its totient is φ = 95644160400.

The previous prime is 121013201123. The next prime is 121013201129. The reversal of 121013201125 is 521102310121.

It is not a de Polignac number, because 121013201125 - 2¹ = 121013201123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013201123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5821587 + ... + 5842336.

It is an arithmetic number, because the mean of its divisors is an integer number (9552753756).

Almost surely, 2^121013201125 is an apocalyptic number.

It is an amenable number.

121013201125 is a deficient number, since it is larger than the sum of its proper divisors (31830858971).

121013201125 is an equidigital number, since it uses as much as digits as its factorization.

121013201125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11664021 (or 11664011 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 121013201125 its reverse (521102310121), we get a palindrome (642115511246).

The spelling of 121013201125 in words is "one hundred twenty-one billion, thirteen million, two hundred one thousand, one hundred twenty-five".